recipes-kernel/linux/linux-3.0/pm-wip/voltdm/0137-OMAP3-VP-update_errorgain-return-error-if-VP.patch

   1 From 771dd184643c6765240fbecbd008f56f98182ca8 Mon Sep 17 00:00:00 2001
   2 From: Kevin Hilman <khilman@ti.com>
   3 Date: Mon, 18 Jul 2011 15:31:43 -0700
   4 Subject: [PATCH 137/149] OMAP3+: VP: update_errorgain(): return error if VP
   5
   6 Add check for valid VP in omap_vp_update_errorgain()
   7
   8 Signed-off-by: Kevin Hilman <khilman@ti.com>
   9 ---
  10  arch/arm/mach-omap2/vp.c |    3 +++
  11  1 files changed, 3 insertions(+), 0 deletions(-)
  12
  13 diff --git a/arch/arm/mach-omap2/vp.c b/arch/arm/mach-omap2/vp.c
  14 index 3807620..29698ac 100644
  15 --- a/arch/arm/mach-omap2/vp.c
  16 +++ b/arch/arm/mach-omap2/vp.c
  17 @@ -103,6 +103,9 @@ int omap_vp_update_errorgain(struct voltagedomain *voltdm,
  18  {
  19         struct omap_volt_data *volt_data;
  20
  21 +       if (!voltdm->vp)
  22 +               return -EINVAL;
  23 +
  24         /* Get volt_data corresponding to target_volt */
  25         volt_data = omap_voltage_get_voltdata(voltdm, target_volt);
  26         if (IS_ERR(volt_data))
  27 --
  28 1.6.6.1
  29